SUMMARY: Changing NIC settings on the fly.

From: Fletcher, Joe (
Date: Tue Nov 28 2000 - 08:02:56 CST


Lot's of responses so thanks to Mike, Evandro, Douglas, Don, Andy, Daniel
and any that are still
in the aether.

Seems ndd WILL do what I want but I have to be more explicit on how I use
it. I'd already run it on
one of the problem systems but nothing seemed to change. I can't just say

ndd -set hme:adv_100fdx_cap 1

and expect it to work. I also have to state that half duplex is disabled and
I have to change the settings in the right order and I have to bounce the
interface. I also got a warning about using ndd on hme0 which is the card I
need to change. Apparently it can hang the system. The box also has two QFEs
so I'm going to think of getting those in on the act to work around the
potential hang. From the SUN document on the subject, courtesy of Douglas
Lee I need to do:

    ndd set qfe:qfe_adv_autoneg_cap=0
        set qfe:qfe_adv_100T4_cap=0
        set qfe:qfe_adv_100fdx_cap=1
        set qfe:qfe_adv_100hdx_cap=0
        set qfe:qfe_adv_10fdx_cap=0
        set qfe:qfe_adv_10hdx_cap=0

and then bounce the card.



-----Original Message-----
From: Fletcher, Joe []
Sent: 28 November 2000 12:18
To: Sunmgr (E-mail)
Subject: Changing NIC settings on the fly.


Anyone know how to change the settings of an ethernet card in a SUN while
it's active?
I've been through the archives and seen the ndd commands and also the
options for /etc/system.
The ndd commands don't appear to act on an interface while it's running.
HP have things like "lanadmin -X 100FD lan0" and Tru64 has "lan_config -s
100 -x 1 tu0" which do the sort of thing I'm after so what's the Solaris
equivalent? It's not in the Rosetta Stone page BTW.

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